int Orient( char *filename, int setflags, int orientation )
{
PBITMAP tiff;
tiff = ReadTiff( filename, 0 );
if ( !tiff )
{
fprintf( stderr, "Can't read %s\n", filename );
return 1;
}
if ( tiff->sampleformat!=BITMAP_UINT8
&& tiff->sampleformat!=BITMAP_UINT16
&& tiff->sampleformat!=BITMAP_IEEE )
{
fprintf( stderr,
"TIFF file %s is not a \"r\", \"rgb\", \"rgba\" or IEEE image\n",
filename );
goto Error;
}
if (setflags)
{
tiff->orientation = orientation;
}
else
{
tiff = OrientBitmap( tiff, orientation );
}
if (WriteTiff( tiff, filename ))
{
fprintf( stderr, "Can't write file: \"%s\"\n", filename );
goto Error;
}
DestroyBitmap( tiff );
return 0;
Error:
DestroyBitmap( tiff );
return 1;
}
int WriteImage(const char * filename,
const std::vector<unsigned char> & ptr,
int w,
int h,
int depth){
Format f = GetFormat(filename);
switch (f) {
case Pnm:
return WritePnm(filename, ptr, w, h, depth);
case Png:
return WritePng(filename, ptr, w, h, depth);
case Jpg:
return WriteJpg(filename, ptr, w, h, depth);
case Tiff:
return WriteTiff(filename, ptr, w, h, depth);
default:
return 0;
};
}
int main(int argc, char **argv)
{
PBITMAP tiff;
uint32 n;
uint8 *p8;
uint16 *p16;
auto uint32 i,j,x,y;
if ( argc < 2 || (argc > 1 && argv[1][0]=='-') )
{
/* User tried to specify an option, so just print help text. */
printf( "tiffinvert tiff_filename1 ...\n" \
" tiff_filename1 ... TIFF file(s) to overwrite with an\n" \
" an inverted version of their image.\n" );
return 1;
}
for ( i=1; i<argc; i++ )
{
tiff = ReadTiff( argv[i], 0 );
if ( !tiff )
{
fprintf( stderr, "Can't read %s\n", argv[i] );
return 1;
}
if ( tiff->sampleformat!=BITMAP_UINT8
&& tiff->sampleformat!=BITMAP_UINT16 )
{
fprintf( stderr,
"TIFF file %s is not an \"r\", \"rgb\" or \"rgba\" image\n",
argv[i] );
goto Skip;
}
if ( tiff->sampleformat==BITMAP_UINT8 )
{
n = tiff->yres * tiff->rowbytes;
p8 = tiff->pbits;
for ( j=0; j<n; j++ )
*p8++ = 0xff - *p8;
}
else /* tiff->sampleformat==BITMAP_UINT16 */
{
n = tiff->xres * tiff->nsamples;
p16 = (uint16*)tiff->pbits;
for ( y=0; y<tiff->yres; y++ )
for ( x=0; x<n; x++ )
*p16++ = 0xffff - *p16;
}
if (WriteTiff( tiff, argv[i] ))
{
fprintf( stderr, "Can't write file: \"%s\"\n", argv[i] );
goto Error;
}
Skip:
DestroyBitmap( tiff );
}
return 0;
Error:
DestroyBitmap( tiff );
return 1;
}
